| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Corre Stephane | President, AS&I | 300 EAST LOMBARD STREET, SUITE 1710, BALTIMORE | /s/ Kristine Carpenter, Attorney-in-Fact for Stephane Corre | 11 Mar 2026 | 0002098782 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CSTM | Ordinary shares | Purchase | +8,026 | +14% | $0.000000* | 66,520 | 09 Mar 2026 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents earned non-derivative performance stock units of Constellium SE (the "Issuer") granted on March 9, 2023 that contained performance-vesting requirements, which vested on March 9, 2026. |